#1
Which of the following is a common technology used for wireless communication?
Bluetooth
ExplanationCommon technology for wireless communication.
#2
What is the purpose of a router in a computer network?
To connect multiple devices within a local network
ExplanationConnects devices in a local network.
#3
What is the purpose of a modem in computer networking?
To convert digital signals to analog signals for transmission over telephone lines
ExplanationConverts digital signals for telephone transmission.
#4
What is the purpose of a DNS (Domain Name System) server?
To convert domain names to IP addresses
ExplanationConverts domain names to IP addresses.
#5
What is the purpose of a VPN (Virtual Private Network)?
To secure internet connections and protect privacy
ExplanationSecures internet connections and privacy.
#6
What is the purpose of a firewall in computer networking?
To block unauthorized access to a network
ExplanationBlocks unauthorized network access.
#7
Which of the following is a potential drawback of using social media for communication?
Information overload
ExplanationPotential problem: information overload.
#8
Which of the following is a common challenge in using voice recognition technology?
Limited vocabulary recognition
ExplanationChallenge: limited vocabulary recognition.
#9
What is the purpose of data compression in communication?
To reduce file size for efficient transmission
ExplanationReduces file size for efficient transmission.
#10
Which of the following is a common challenge in using facial recognition technology?
Recognition of diverse facial features
ExplanationChallenge: diverse facial feature recognition.
#11
What is the purpose of error detection and correction in communication?
To ensure data integrity
ExplanationEnsures data integrity through error detection and correction.
#12
What is the primary purpose of encryption in communication?
To secure data from unauthorized access
ExplanationEncrypts data for security.
#13
Which of the following is a potential challenge in the adoption of new communication technologies?
Resistance to change
ExplanationChallenge: resistance to change.
#14
Which of the following is an example of asynchronous communication?
Email
ExplanationExample: asynchronous communication.
#15
What is the primary purpose of Quality of Service (QoS) in networking?
To prioritize certain types of traffic
ExplanationPrioritizes specific types of traffic.
#16
Which of the following is an example of synchronous communication?
Telephone conversation
ExplanationExample: synchronous communication.
#17
What is the primary purpose of multiplexing in networking?
To transmit multiple signals over a single communication channel
ExplanationTransmits multiple signals over a single channel.